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Section II. MAINTENANCE PROCEDURES

TM-5-1940-277-20 Boat Bridge Erection Twin Jet Aluminum Hull MODEL USCSBMK1 (1940-01-105-5728) MODEL USCSBMK2 (1940-01-218-9165) Manual

ELECTRICAL SYSTEM

TM 5-1940-277-20

TM 1940-20/2

INSTRUMENT PANEL

Gauge Lamp Replacement, Warning Lamp Replacement,

Gauge Lamp Dimmer Switch Replacement, Switch Replacement

(IP w/Sabre, IP w/Cummins)

3-47

Heat/Start and Toggle Switch Test

3-48

Engine Alarm Mute Switch Replacement

3-49

Switch Panel Unit #1 Replacement Instructions

3-50

Switch Panel Unit #2

3-51

Junction Box Unit

3-52

Junction Box Unit 2 Replacement Instructions

3-53

Switch Panel Unit #1 to Junction Box Unit 1 Wiring Harnesses Test

3-54

Horn Replacement

3-55

Engine Audible Alarm Replacement

3-56

FUEL SYSTEM

Fuel Tubing Replacement

3-57

Engine Fuel Shutoff Valve and Diaphragm Replacement

3-58

Fuel Master Shutoff Valve Replacement

3-59

Fuel Water Separator Servicing

3-60

Fuel Water Separator Replacement (MK2 w/Cummins)

3-61

Fuel Filters Replacement (MK1 MM2 w/Cummins)

3-62

Fuel Lift Pump Assembly Replacement w/Cummins

3-63

Fuel System Bleeding w/Cummins

3-64

EXHAUST SYSTEM

Exhaust Flexible Bellows Replacement Instructions (MK1 - Port and Starboard)

3-65

Exhaust Flexible Bellows Replacement (MK2 - Port and Starboard)

3-66

COOLING SYSTEM

Piping, Hoses, and Fittings Replacement

3-67

Drain and Refill Fresh Water Cooling System (MK1)

3-68

Drain and Refill Primary and Secondary Cooling System (MK2)

3-69

Fresh (MK1) or Primary (MK2) Water Pump Replacement (Port or Starboard)

3-70

Header Tank/Heat Exchanger Repair Instructions (MK1)

3-71

Header Tank Replacement Instructions

3-72

Engine Thermostat Replacement (Port or Starboard)

3-73

Engine Oil Cooler Replacement (Port or Starboard)

3-74

Engine Oil Cooler Repair

3-75

Engine Oil Filter Element Replacement

3-76

Keel Cooler (Front and Rear) Replacement (MK2)

3-77

Remote Cooler Inspection and Replacement Instructions (MK1 - Port and Starboard)

3-78

Cooling System (MK1) or Secondary (MK2) Water Pump Inspection

3-79

Cooling System (MK1) or Secondary (MK2) Water Pump Repair

3-80

Cooling System (MK1) or Secondary (MK2) Water Pump Replacement

3-81

Intercooler Repair (Port and Starboard)

3-82

Intercooler Replacement (Port and Starboard)

3-83

Transmission Oil Cooler Inspection and Repair

3-84

Transmission Oil Cooler Replacement

3-85

Intake Strainer (MK1) Replacement Instructions

3-86

3-4

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